TODAY NOV21
TEMPERATURE49
HUMIDITY58
PRESSURE99600
WIND COND.
  • 5041Thu60%
  • 5440Fri100%80%
  • 4939Sat80%80%
  • 4938Sun
  • 4936Mon
daynightWeather update from CW5022 Kirkland at
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Weather Quick Facts

  • The highest monthly average temperature in Duvall for July is 62.9 degrees
  • The lowest monthly average temperature in Duvall for December is 39.5 degrees
  • The most monthly precipitation in Duvall occurs in December with 8.6 inches
  • The air quality index in Duvall is 7% worse than the national average
  • The pollution index in Duvall is 1491% worse than the national average

Compare Duvall, WA Weather

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      Duvall Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January35°F45°F40°F2.5"
      February36°F50°F42°F2.8"
      March41°F55°F47°F3.5"
      April43°F58°F49°F3.5"
      May48°F65°F55°F3.0"
      June51°F66°F57°F2.2"
      July55°F74°F63°F2.0"
      August55°F74°F62°F1.7"
      September50°F66°F57°F2.8"
      October46°F59°F51°F3.4"
      November38°F48°F43°F4.8"
      December35°F45°F39°F8.6"

      Duvall air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexDuvallWashingtonNational
      Air quality index453642
      Pollution index43,367,4004,541,8502,726,193

      Duvall air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.790%
      Carbon Tetrachloride0.120%
      Lead0.210%
      Mercury0.180%

      Average monthly Duvall temperature with heat index

      Duvall monthly precipitation with daily maximum

      Duvall monthly snow depth with daily maximum

      Duvall monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bellevue, WA146,1454510.0%
      Cottage Lake, WA23,2394510.0%
      Carnation, WA2,1654510.0%
      Brier, WA6,8994510.0%
      Bothell East, WA13,1644510.0%
      Duvall, WA7,9794510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mayo, MD7,979476.0%
      Wyoming, MN7,976468.0%
      Greenbriar, VA7,976476.0%
      Brentwood, MO7,986548.0%
      Beckwith, ON7,986n/a 
      Duvall, WA7,9794510.0%
      Source: The Duvall, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.